preprocessor_test.py 文件源码

python
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项目:tensorflow 作者: luyishisi 项目源码 文件源码
def testRandomResizeMethod(self):
    preprocessing_options = []
    preprocessing_options.append((preprocessor.normalize_image, {
        'original_minval': 0,
        'original_maxval': 255,
        'target_minval': 0,
        'target_maxval': 1
    }))
    preprocessing_options.append((preprocessor.random_resize_method, {
        'target_size': (75, 150)
    }))
    images = self.createTestImages()
    tensor_dict = {fields.InputDataFields.image: images}
    resized_tensor_dict = preprocessor.preprocess(tensor_dict,
                                                  preprocessing_options)
    resized_images = resized_tensor_dict[fields.InputDataFields.image]
    resized_images_shape = tf.shape(resized_images)
    expected_images_shape = tf.constant([1, 75, 150, 3], dtype=tf.int32)

    with self.test_session() as sess:
      (expected_images_shape_, resized_images_shape_) = sess.run(
          [expected_images_shape, resized_images_shape])
      self.assertAllEqual(expected_images_shape_,
                          resized_images_shape_)
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